Table 4.
Production of cellulase by A. niger using oxidative treatment of agricultural residues
S/no. | Substrate (H2O2 treated) | CMCase (U/g) | FPase (U/g) | β-glucosidase (U/g) |
---|---|---|---|---|
1 | Finger millet hulls | 1.43 ± 0.16a,b | 0.91 ± 0.01a | 1.10 ± 0.15a,b,c |
2 | Sorghum hulls | 1.55 ± 0.02a,b | 1.00 ± 0.03a | 0.77 ± 0.20a,b |
3 | Banana peels | 1.79 ± 0.13a,b | 1.10 ± 0.22a | 1.01 ± 0.10a,b,c |
4 | Corn stalk | 2.01 ± 0.02a | 1.32 ± 0.01a,b | 1.27 ± 0.10c |
5 | Cassava peels | 3.04 ± 0.07c | 1.48 ± 0.11a,b | 1.25 ± 0.03b,c |
6 | Saw dust | 1.65 ± 0.02a,b | 1.47 ± 0.06a,b | 1.03 ± 0.03a,b,c |
7 | Sheanut cake | 1.20 ± 0.30b | 0.64 ± 0.04a | 0.68 ± 0.10a |
8 | Rice straw | 5.30 ± 0.40d | 3.60 ± 0.33c | 2.31 ± 0.14d |
9 | Soybean hulls | 5.65 ± 0.33d | 3.58 ± 0.11c | 3.16 ± 0.36e |
10 | Sugarcane bagasse | 4.61 ± 0.23e | 2.93 ± 0.65c,d | 2.22 ± 0.24d |
11 | Groundnut husk | 4.43 ± 0.15e | 2.39 ± 0.95d | 2.04 ± 0.07d |
Values are means ± standard deviations. Data with the same superscript letter were not significantly different (p < 0.05; Tukey test)